Supplemental Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Supplemental Information [Abstract]
Gross receivables aged less than one year	$ 4,809		$ 4,425
Gross receivables aged greater than one year	283		329
Other receivables	107		150
Accounts receivable - net	4,803		4,499
Allowance for credit loss	396		405
Provisions for expected credit losses	67	$ 71
Inventories
Raw materials and supplies	460		399
Work in process	321		334
Finished goods	1,005		1,000
Total inventories	$ 1,786		$ 1,733